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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      High: 76 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.

      Low: 61 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:SSE wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas 1 ft or less.

      High: 72 °F

      ⇑SSE 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SE wind 5 to 10 kt. Showers and possibly a thunderstorm.   Seas 1 ft or less.

      Low: 63 °F

      SE 10kt
      < 1ft

    • Wednesday

      Wednesday:SSW wind 5 to 10 kt. Showers likely, mainly after 2pm.   Seas 1 ft or less.

      High: 78 °F

      SSW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Showers likely, mainly before 7pm.   Seas 1 ft or less.

      Low: 61 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      High: 75 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Low: 60 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      High: 72 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:16 am EDT Jul 20, 2026
Forecast Valid: 1pm EDT Jul 20, 2026-6pm EDT Jul 26, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Increasing clouds. Seas 1 ft or less.
Tuesday
SSE wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas 1 ft or less.
Tuesday Night
SE wind 5 to 10 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Wednesday
SSW wind 5 to 10 kt. Showers likely, mainly after 2pm. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Showers likely, mainly before 7pm. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Winds and seas higher in and near tstms.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 43.25°N 70.58°W
Last Update: 6:16 am EDT Jul 20, 2026
Forecast Valid: 1pm EDT Jul 20, 2026-6pm EDT Jul 26, 2026
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